Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT btm.field_map AS field_map FROM {biblio_type_maps} btm WHERE (format = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => csl ) in biblio_get_map() (line 2189 of /var/www/htdocs/sites/all/modules/biblio/biblio.module).

Additional

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: INSERT INTO {watchdog} (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9); Array ( [:db_insert_placeholder_0] => 0 [:db_insert_placeholder_1] => php [:db_insert_placeholder_2] => %type: !message in %function (line %line of %file). [:db_insert_placeholder_3] => a:6:{s:5:"%type";s:12:"PDOException";s:8:"!message";s:230:"SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT btm.field_map AS field_map FROM {biblio_type_maps} btm WHERE (format = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => csl ) ";s:9:"%function";s:16:"biblio_get_map()";s:5:"%file";s:54:"/var/www/htdocs/sites/all/modules/biblio/biblio.module";s:5:"%line";i:2189;s:14:"severity_level";i:3;} [:db_insert_placeholder_4] => 3 [:db_insert_placeholder_5] => [:db_insert_placeholder_6] => http://www.lternet.edu/bibliography?s=year&o=asc&f[author]=23084 [:db_insert_placeholder_7] => [:db_insert_placeholder_8] => 54.92.201.24 [:db_insert_placeholder_9] => 1440779026 ) in dblog_watchdog() (line 160 of /var/www/drupal-7/modules/dblog/dblog.module).